72801L10PF8

Bus Directional:	Bi-Directional
Base Part Number:	72801
Supplier Device Package:	64-TQFP (14x14)
Package / Case:	64-LQFP
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 70°C
FWFT Support:	No
Retransmit Capability:	No
Programmable Flags Support:	Yes
Expansion Type:	Depth, Width
Series:	7200
Current - Supply (Max):	60mA
Voltage - Supply:	4.5V ~ 5.5V
Access Time:	6.5ns
Data Rate:	100MHz
Function:	Synchronous
Memory Size:	4.5K (256 x 9 x 2)
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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72801L10PF8: Logic - FIFOs Memory Application Field and Working Principle

Logic - FIFOs Memory are used in a variety of areas, from system engineering to application development. One of the most common memory architectures based on this concept is the 72801L10PF8. This device as a form of memory allows for Infinite First Input - First Output (FIFO) data flow, for manipulations between applications and the memory. This article will explore the application fields of the 72801L10PF8 and the different elements of its working principle. The 72801L10PF8 is a fast logic-memory device belonging to the Open-Gate FIFO Family, part of the Linear Technology Group. The device was designed for easy access and immediate acquiring of data, and its access time is 67 ns. It is a single-chip FIFO device, with an 18-bit x 18-bit (256 kbits) memory array comprising twenty-four separate 32-bit SRAM blocks. The device has one read and one write port, enabling data to be written to and read from the memory at the same time. The device also has an internal 9-bit counter, which can be enabled or disabled, and can be used to count up or down. Depending on its application, the 72801L10PF8 is used as a stand-alone device or integrated into a larger system. It is a flexible device as it supports various memory access schemes such as block transfers, memory page addressing, page cross-referencing and partial page addressing. In its most popular application, the 72801L10PF8 is used to transfer and manipulate data in data streaming applications. This includes consumer electronics, digital video, voice or data communication and digital signal processing (DSP). As a variation of the FIFO, the 72801L10PF8 is used in networking applications like the Ethernet and Fast Ethernet.The working principle of the 72801L10PF8 device consists of several key components. It has an SRAM memory array, which acts as the FIFO buffer, with internal logic circuitry to calculate status information and control signals. This enables it to both read and write data simultaneously, providing high-speed data access and manipulation. The device also has an internal counter, which is configured to count either up or down depending on the type of application. It has a programmable register that can be set for specific slow-down functions, such as write next, empty and full operations. Finally, it has an optional write-protect, which can be used in page-based applications.In addition to its main components, the 72801L10PF8 has additional features, including an error checking and correction (ECC) unit and an alarms flag. The ECC is an integral part of this device and prevents errors from occurring. The alarms flag alerts the user when a certain number of errors have been detected by the ECC unit. This allows the user to adjust their data flow patterns to prevent further errors.Overall, the 72801L10PF8 is a single-chip FIFO device that has been designed for easy access and manipulation of data. The device is well-suited for a range of applications, including streaming data and communications, due to its quick access time, ability to read and write data simultaneously, and its wide range of features such as protection, ECC and alarms. Its flexible memory access schemes and programmable registers make it a popular choice for consumers, applications and networks.

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